<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<style>
.wrap{
width: 500px;
height: 300px;
text-align: center;
line-height: 300px;
font-size: 30px;
margin: 50px 0 0 50px;
border: 1px solid #000;
transform: scale(0.5);

}
</style>
<body>
   <div class="wrap">
       hello world
      
   </div> 
</body>
</html>